Shall I use this tool ? I don't know. I already use google-reader , technorati , etc.. to handles my resources, just tell me why I should change.

However, Scintilla has the 500 pound gorilla that is Nature Publishing behind it, so I wouldn't bet against it. To win at this game however, Scintilla is going to have to attact a large scientifically-literate readership away from it's present haunts, and fairly quickly.